Astra and Nag Missile

Why in news?
ASTRA missile tested.

Why important?
- Astra is highly sophisticated air-to-air missile. - BVRAAM
- It can be fired from beyond visual range.

- Supersonic. Very high speed.. up to Mach 3 (three times the speed of sound).
- lock-on-target so has high kill probability even if target changes its course.
- "lock-on-target" can be done before launch or updated in mid-course.
- In both: head-on as well as tail-chase mode

Details:
- Indigenously develeped. By DRDO.

- The 3.8 metre tall Astra can carry a warhead weighing 15 kg

- After a few more pre-induction trials, the supersonic missile is
expected to be inducted by the end of 2016.

Nag Missile:

• One unrealized dream of 'Missile man' A P J Abdul Kalam who died on July 27, will become a reality next year. 
• anti-tank missile 'Nag', a 'fire and forget' missile developed to hit and destroy stationery or moving battle tanks 
• Other missiles planned as part of the Integrated Guided Missile Development Programme (IGMDP) had become a reality
• Prithvi', '
• Dhanush', 
• the five versions of 'Agni', '
• Akash' and 
• 'Astra' as part of the IGMDP have already been developed.